NAME

Question types


Start with


Question limit

of 28 available terms

Advertisement Upgrade to remove ads
Print test

5 Written questions

5 Matching questions

  1. What is the formula for power?
  2. example of a wheel and axle.
  3. what is a machine's mechanical advantage? if i say a machine has a mechanical advantage of 20, what does that mean?
  4. what is a screw?
  5. An example of an inclined plane.
  1. a pushing a piece of heavy furniture up a ramp requires less input force, from you, than just lifting it up.
  2. b P=W / T, the unit Watts
  3. c a inclined plane that is wrapped in a spiral, usually on a rod, but not always.
  4. d turn a door knob (the wheel) the axle moves, to unfasten the door.
  5. e it means that the machine multiplies the force you put into it twenty times. so, if the machine multiplies the force by 20, you would only have to put in a small amount of force to do a large amount of work.

5 Multiple choice questions

  1. a double inclined plane that moves.
  2. is a measure of how much of a machines energy is wasted, overcoming friction. No machine is 100% efficient, becuase there are always surfaces rubbing together.
  3. a simple machine with a straight, slanted surface.
  4. a simple machine that is made of a circular object connected to a rod.
  5. No, the same amount of work is done, whether you do it yourself, or use a machine.

5 True/False questions

  1. ---> ----> Doing work?Yes

          

  2. what is a machine?a inclined plane that is wrapped in a spiral, usually on a rod, but not always.

          

  3. if you throw a ball, are you doing work? Explain.you are only doing work on the ball as long as you are directly putting a force on it, in other words, when you are touching it.

          

  4. What two things do we need to know to calculate work?W= F x D, the unit Joule

          

  5. What is a pulley?a inclined plane that is wrapped in a spiral, usually on a rod, but not always.